Ballpoint pen



FIG. 1 is a perspective view of a ballpoint pen showing our new design;

FIG. 2 is a front view thereof; the back view being a mirror image ofthe front view;

FIG. 3 is a right view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front view thereof with the point ejected in a state of use.

CLAIM The ornamental design for a ballpoint pen, as shown and described.